Finding the Fourth Proportional to 13,254,139.99, 18,290,822.42 and 7,452,870.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,254,139.99 : 18,290,822.42 = 7,452,870.98 : x
2. Step 2: Convert to fraction form
   13,254,139.99/18,290,822.42 = 7,452,870.98/x
3. Step 3: Cross multiply
   13,254,139.99x = 18,290,822.42 × 7,452,870.98
4. Step 4: Simplify right side
   13,254,139.99x = 136,319,139,614,351.39
5. Step 5: Solve for x
   x = 136,319,139,614,351.39/13,254,139.99
6. Step 6: Final answer
   x = 10,285,023.38